diff --git a/json/json.go b/json/json.go
index aa3edf5..907b2ff 100644
--- a/json/json.go
+++ b/json/json.go
@@ -79,9 +79,6 @@ const (
 	messageStartInlineMap      = "message %s {\n"      // 内联message体开始
 	messageStartMap            = "%s %s%s `%s:\"%s\"`" // 拆开结构体开始, TODO
 	messageEndMap              = "}\n"                 // 拆开结构体结束, TODO
-	messageEmptyMap            = "%s struct {" +
-		"} `%s:\"%s\"`" +
-		"}"
 	//messageNilFmt        = "%s any `%s:\"%s\"`" //TODO protobuf 暂时忽略
 	messageStringFmt   = "%sstring %s = %d;"  //repeated? int32 id = 2;
 	messageBoolFmt     = "%sbool %s = %d;"    //repeated? int32 id = 2;
@@ -97,8 +94,7 @@ const (
 	endInlineMap     = "} `%s:\"%s\"`"       // 内联结构体结束
 	startMap         = "%s %s%s `%s:\"%s\"`" // 拆开结构体开始
 	emptyMap         = "%s struct {" +
-		"} `%s:\"%s\"`" +
-		"}"
+		"} `%s:\"%s\"`"
 	defStructName = "AutoGenerated"
 	nilFmt        = "%s interface{} `%s:\"%s\"`"
 	stringFmt     = "%s %sstring `%s:\"%s\"`"
@@ -458,7 +454,7 @@ func (f *JSON) marshalValue(key string, obj any, fromArray bool, depth int, buf
 	case []any:
 		if len(v) == 0 {
 			if !f.IsProtobuf {
-				buf.WriteString(fmt.Sprintf("%s interface{} `json:\"%s\"`", fieldName, key))
+				buf.WriteString(fmt.Sprintf("%s interface{} `%s:\"%s\"`", fieldName, f.Tag, key))
 			}
 			return
 		}
diff --git a/testdata/data0.yaml b/testdata/data0.yaml
new file mode 100644
index 0000000..76707ae
--- /dev/null
+++ b/testdata/data0.yaml
@@ -0,0 +1,3 @@
+payload:
+  ext: {}
+  bodies: []
diff --git a/testdata/need0.yaml.0.struct b/testdata/need0.yaml.0.struct
new file mode 100644
index 0000000..5903b93
--- /dev/null
+++ b/testdata/need0.yaml.0.struct
@@ -0,0 +1,6 @@
+type reqName struct {
+	Payload struct {
+		Bodies interface{} `yaml:"bodies"`
+		Ext    struct{}    `yaml:"ext"`
+	} `yaml:"payload"`
+}
diff --git a/testdata/need0.yaml.1.struct b/testdata/need0.yaml.1.struct
new file mode 100644
index 0000000..ae01942
--- /dev/null
+++ b/testdata/need0.yaml.1.struct
@@ -0,0 +1,8 @@
+type reqName struct {
+	Payload Payload `yaml:"payload"`
+}
+
+type Payload struct {
+	Bodies interface{} `yaml:"bodies"`
+	Ext    struct{}    `yaml:"ext"`
+}
diff --git a/yaml/yaml_test.go b/yaml/yaml_test.go
index c893aa5..90a34da 100644
--- a/yaml/yaml_test.go
+++ b/yaml/yaml_test.go
@@ -49,3 +49,41 @@ f:
 		assert.Equal(t, string(bytes.TrimSpace(need)), string(bytes.TrimSpace(all)))
 	}
 }
+
+// 测试文件以 data编号命名
+// 生成后的结构体文件以 need编码.struct
+const (
+	dataFormat  = "../testdata/data%d.yaml"
+	needFormat1 = "../testdata/need%d.yaml.0.struct"
+	needFormat2 = "../testdata/need%d.yaml.1.struct"
+)
+
+func Test_Gen_Obj_YAML2(t *testing.T) {
+	for i := 0; i < 1; i++ {
+		data, err := os.ReadFile(fmt.Sprintf(dataFormat, i))
+		assert.NoError(t, err)
+
+		need1, err := os.ReadFile(fmt.Sprintf(needFormat1, i))
+		assert.NoError(t, err)
+
+		need2, err := os.ReadFile(fmt.Sprintf(needFormat2, i))
+		assert.NoError(t, err)
+
+		var out bytes.Buffer
+		got1, err := Marshal(data, option.WithStructName("reqName"), option.WithOutputFmtBefore(&out))
+		assert.NoError(t, err, out.String())
+		out.Reset()
+
+		got2, err := Marshal(data, option.WithStructName("reqName"), option.WithNotInline(), option.WithOutputFmtBefore(&out))
+		assert.NoError(t, err, out.String())
+
+		need1 = bytes.TrimSpace(need1)
+		need2 = bytes.TrimSpace(need2)
+
+		got1 = bytes.TrimSpace(got1)
+		got2 = bytes.TrimSpace(got2)
+
+		assert.Equal(t, need1, got1)
+		assert.Equal(t, need2, got2)
+	}
+}